656d022331
where should not. Currently we are using QTy->isIncompleteType(&ND) to check incomplete type. But before doing that, need to instantiate for a class template specialization or a class member of a class template specialization, or an array with known size of such..., so that we know it is really incomplete type. To fix this using RequireCompleteType instead. The new test is added into "test/OpenMP/target_update_messages.cpp" The different of using RequireCompleteType is when emit incomplete type, an additional note is also emitted to point to where incomplete type is declared. Because this change, many tests are needed to be fixed by adding additional note. This is to fix https://bugs.llvm.org/show_bug.cgi?id=50508 Differential Revision: https://reviews.llvm.org/D107200
480 lines
22 KiB
C++
480 lines
22 KiB
C++
// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp45 -fopenmp-simd -fopenmp-version=45 -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++98 -ferror-limit 150 -o - %s -Wuninitialized
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// RUN: %clang_cc1 -verify=expected,omp50 -fopenmp-simd -std=c++11 -ferror-limit 150 -o - %s -Wuninitialized
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extern int omp_default_mem_alloc;
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void xxx(int argc) {
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int fp; // expected-note {{initialize the variable 'fp' to silence this warning}}
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#pragma omp distribute simd reduction(+:fp) // expected-warning {{variable 'fp' is uninitialized when used here}}
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for (int i = 0; i < 10; ++i)
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;
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}
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void foo() {
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}
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bool foobool(int argc) {
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return argc;
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}
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void foobar(int &ref) {
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+:ref)
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for (int i = 0; i < 10; ++i)
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foo();
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}
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struct S1; // expected-note {{declared here}} expected-note 6 {{forward declaration of 'S1'}}
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extern S1 a;
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class S2 {
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mutable int a;
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S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
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public:
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S2() : a(0) {}
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S2(S2 &s2) : a(s2.a) {}
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static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
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static const float S2sc; // expected-note 2 {{'S2sc' declared here}}
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};
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const float S2::S2sc = 0;
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S2 b; // expected-note 3 {{'b' defined here}}
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const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
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class S3 {
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int a;
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public:
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int b;
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S3() : a(0) {}
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S3(const S3 &s3) : a(s3.a) {}
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S3 operator+(const S3 &arg1) { return arg1; }
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};
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int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
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S3 c; // expected-note 3 {{'c' defined here}}
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const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
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extern const int f; // expected-note 4 {{'f' declared here}}
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class S4 {
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int a;
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S4(); // expected-note {{implicitly declared private here}}
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S4(const S4 &s4);
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S4 &operator+(const S4 &arg) { return (*this); }
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public:
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S4(int v) : a(v) {}
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};
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S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
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class S5 {
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int a;
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S5() : a(0) {} // expected-note {{implicitly declared private here}}
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S5(const S5 &s5) : a(s5.a) {}
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S5 &operator+(const S5 &arg);
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public:
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S5(int v) : a(v) {}
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};
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class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
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#if __cplusplus >= 201103L // C++11 or later
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// expected-note@-2 3 {{candidate function (the implicit move assignment operator) not viable}}
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#endif
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int a;
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public:
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S6() : a(6) {}
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operator int() { return 6; }
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} o;
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S3 h, k;
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#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
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template <class T> // expected-note {{declared here}}
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T tmain(T argc) {
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const T d = T(); // expected-note 4 {{'d' defined here}}
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const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
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T qa[5] = {T()};
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T i;
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long z;
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T &j = i; // expected-note 4 {{'j' defined here}}
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S3 &p = k; // expected-note 2 {{'p' defined here}}
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const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
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T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
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T fl;
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction // expected-error {{expected '(' after 'reduction'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp distribute simd' are ignored}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(&& : argc) allocate , allocate(, allocate(omp_default , allocate(omp_default_mem_alloc, allocate(omp_default_mem_alloc:, allocate(omp_default_mem_alloc: argc, allocate(omp_default_mem_alloc: argv), allocate(argv) // expected-error {{expected '(' after 'allocate'}} expected-error 2 {{expected expression}} expected-error 2 {{expected ')'}} expected-error {{use of undeclared identifier 'omp_default'}} expected-note 2 {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(^ : z, T) // expected-error {{'T' does not refer to a value}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified variable cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}} expected-warning 2 {{Type 'S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning 2 {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}} expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}} expected-warning 2 {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(k)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : r) // expected-error 2 {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel shared(i)
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#pragma omp parallel reduction(min : i)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(fl)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel reduction(* : fl)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(task, + : fl) // omp45-error 2 {{expected expression}} omp45-warning {{missing ':' after reduction identifier - ignoring}} omp50-error 3 {{'reduction' clause with 'task' modifier allowed only on non-simd parallel or worksharing constructs}}
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for (int i = 0; i < 10; ++i)
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foo();
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return T();
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}
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namespace A {
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double x;
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#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
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}
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namespace B {
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using A::x;
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}
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int main(int argc, char **argv) {
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const int d = 5; // expected-note 2 {{'d' defined here}}
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const int da[5] = {0}; // expected-note {{'da' defined here}}
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int qa[5] = {0};
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S4 e(4);
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S5 g(5);
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int i, z;
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int &j = i; // expected-note 2 {{'j' defined here}}
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S3 &p = k; // expected-note 2 {{'p' defined here}}
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const int &r = da[i]; // expected-note {{'r' defined here}}
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int &q = qa[i]; // expected-note {{'q' defined here}}
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float fl;
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction // expected-error {{expected '(' after 'reduction'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp distribute simd' are ignored}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(&& : z, argc)
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}} expected-warning {{Type 'S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}} expected-error {{incomplete type 'S1' where a complete type is required}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified variable cannot be reduction}} expected-warning {{Type 'S2' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}} expected-error {{incomplete type 'S1' where a complete type is required}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : ba) // expected-error {{const-qualified variable cannot be reduction}} expected-warning {{Type 'const S2 [5]' is not trivially copyable and not guaranteed to be mapped correctly}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(* : ca) // expected-error {{const-qualified variable cannot be reduction}} expected-warning {{Type 'const S3 [5]' is not trivially copyable and not guaranteed to be mapped correctly}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(- : da) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(&& : S2::S2sc) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}} expected-warning {{Type 'S4' is not trivially copyable and not guaranteed to be mapped correctly}} expected-warning {{Type 'S5' is not trivially copyable and not guaranteed to be mapped correctly}}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}} expected-warning {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#if __cplusplus < 201103L // < C++11
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// expected-warning@+5 {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
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#endif
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#pragma omp parallel private(k)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#if __cplusplus < 201103L // < C++11
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// expected-warning@+4 {{Type 'S3' is not trivially copyable and not guaranteed to be mapped correctly}}
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#endif
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : r) // expected-error {{const-qualified variable cannot be reduction}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel shared(i)
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#pragma omp parallel reduction(min : i)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel private(fl)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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#pragma omp parallel reduction(* : fl)
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : fl)
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for (int i = 0; i < 10; ++i)
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foo();
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static int m;
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#pragma omp target
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#pragma omp teams
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#pragma omp distribute simd reduction(+ : m) // OK
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for (int i = 0; i < 10; ++i)
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m++;
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return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
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}
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